from tkinter import*

X = int(input())
Y = int(input())
N = int(input())

cords=[0,0,10,0,10,10,20,10,20,20,10,20,10,30,0,30]

   
if N == 0 and X>=0 and X<=500 and Y>=0 and Y<=500:
    pass
else:
    if N > 0 and 0*N+X>=0 and 0*N+Y>=0 and 20*N+X<=500 and 20*N+Y<=500:
        pass
    else:
         if N > 0 and 20*N+X>=0 and 20*N+Y>=0 and 0*N+X<=500 and 0*N+Y<=500:
             pass
         else:
             print('размер фигуры превышает максимальный размер поля')
             exit()

root = Tk()
root.title('ИТ марафон')
root.geometry('500x500')


canvas = Canvas(bg='white', width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)


canvas.create_polygon(coords[0] *N+X, coords[1] *N+X,
                       coords[2] *N+X, coords[3] *N+X,
                       coords[4] *N+X, coords[5] *N+X,
                       coords[6] *N+X, coords[7] *N+X,
                       coords[8] *N+X, coords[9] *N+X,
                       coords[10] *N+X, coords[11] *N+X,
                       coords[12] *N+X, coords[13] *N+X,
                       coords[14] *N+X, coords[15] *N+X, 
                       coords[16] *N+X)
root.mainloop()22w1